526 to 550 of 882 Clean Code Jobs in the UK

Lead Frontend Engineer

Location
United Kingdom
concept through to delivery. Have experience designing and building solutions based on user requirements, not just implementing specs handed to you. Care deeply about clean, efficient, reusable code that other strong engineers can understand, extend, and rely on. Care about user experience and understand that great engineering serves ...

Senior Engineer

Location
Greater London, England, United Kingdom
platform. Define and drive the architecture and strategy to support the future needs of Operations and the business. Provide technical leadership through architecture, design, code reviews, and pull request reviews, championing high standards of code quality and engineering excellence. Mentor engineers and drive continuous improvement in platform capabilities … Experience working with Protobuf, Avro, and Parquet data formats. Knowledge of Iceberg, Databricks, and Hadoop ecosystems. Skills that will help Follows TDD, ATDD and Clean Coding practices and used to setting up or working in an environment using CI/CD using tools such as Jenkins with build tools ...

Mid-level Shopify Frontend Developer

Location
Exeter, England, United Kingdom
technical problem solver. Some days you’ll be deep in custom section builds; others, you’ll be advising project managers on technical scope, reviewing code, or contributing to our development standards and culture. Responsibilities Build, test, deploy, and maintain performant Shopify themes in line with best practices. Deliver creative … technical solutions to support complex ecommerce requirements. Conduct code reviews and maintain high standards for quality and maintainability. Collaborate across disciplines to scope, design, and implement new features. Share knowledge and contribute to team learning, culture, and process improvement. About You You thrive in a fast‐paced, collaborative environment ...

Senior Java Developer

Hiring Organisation
ARC IT Recruitment
Location
United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 Annual
technology with real, measurable impact on people's health outcomes. Key Responsibilities: Design and develop software features using Java, AWS and PostgreSQL Write clean, maintainable, well-tested code Participate in code reviews and QA processes Troubleshoot and resolve client-reported issues Contribute to technical documentation … Spring Security, Spring AMQP, Spring OAuth2) Advanced SQL, ideally PostgreSQL Cloud architecture experience, ideally AWS Strong security best-practice knowledge Version control, testing, code review experience Strong communication skills Able to work independently and mentor junior team members Desirable Skills: Ansible Terraform Docker Thymeleaf OIDC (OpenID Connect) RabbitMQ ...

Senior Java Developer

Hiring Organisation
Arc IT Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
technology with real, measurable impact on people's health outcomes. Key Responsibilities: Design and develop software features using Java, AWS and PostgreSQL Write clean, maintainable, well-tested code Participate in code reviews and QA processes Troubleshoot and resolve client-reported issues Contribute to technical documentation … Spring Security, Spring AMQP, Spring OAuth2) Advanced SQL, ideally PostgreSQL Cloud architecture experience, ideally AWS Strong security best-practice knowledge Version control, testing, code review experience Strong communication skills Able to work independently and mentor junior team members Desirable Skills: Ansible Terraform Docker Thymeleaf OIDC (OpenID Connect) RabbitMQ ...

Senior Applied AI Engineer (Private Sector Contractor)

Location
United Kingdom
measured by whether it holds up in production rather than whether it demos well, and who wants to see the direct line from your code to systems people depend on, we would love to hear from you. Who We Are Founded in 2019, Oxford Dynamics is a fast-growing … takes technical ownership of the workstream and sets the direction other engineers build to. You will make systems-level design decisions, write production-grade code, and own the hard engineering that makes agentic AI reliable in demanding production environments, including secure, on-premises and offline deployments, from architecture through ...

Senior AI Engineer

Location
Harwell, England, United Kingdom
measured by whether it holds up in production rather than whether it demos well, and who wants to see the direct line from your code to systems people depend on, we would love to hear from you. Who We Are Founded in 2019, Oxford Dynamics is a fast-growing … takes technical ownership of the workstream and sets the direction other engineers build to. You will make systems-level design decisions, write production-grade code, and own the hard engineering that makes agentic AI reliable in demanding production environments, including secure, on-premises and offline deployments, from architecture through ...

Senior Applied AI Engineer (Defence Contractor)

Location
United Kingdom
measured by whether it holds up in production rather than whether it demos well, and who wants to see the direct line from your code to systems people depend on, we would love to hear from you. Who We Are Founded in 2019, Oxford Dynamics is a fast-growing … takes technical ownership of the workstream and sets the direction other engineers build to. You will make systems-level design decisions, write production-grade code, and own the hard engineering that makes agentic AI reliable in demanding production environments, including secure, on-premises and offline deployments, from architecture through ...

Senior Applied AI Engineer (Defence Contractor)

Location
Greater London, England, United Kingdom
measured by whether it holds up in production rather than whether it demos well, and who wants to see the direct line from your code to systems people depend on, we would love to hear from you. Who We Are Founded in 2019, Oxford Dynamics is a fast-growing … takes technical ownership of the workstream and sets the direction other engineers build to. You will make systems-level design decisions, write production-grade code, and own the hard engineering that makes agentic AI reliable in demanding production environments, including secure, on-premises and offline deployments, from architecture through ...

Senior Java Software Engineer - Intelligent Operations

Location
Cardiff, Wales, United Kingdom
latest blogs or our case studies with Women in Tech. We value people being engaged and caring about customers, caring about the code they write and the contribution they make to Starling. People with a broad ability to apply themselves to a multitude of problems and challenges … experienced engineer to play a key role in our Customer Service Engineering Group. You should have a strong understanding of delivering robust and scalable code, applying best practices, and a proven track record of delivering high-quality software. Experience with AWS and Postgres is highly desirable. We're open ...

Senior Data Solutions Engineer

Location
Woking, England, United Kingdom
latest AI and Agentic tooling to assist in all stages of the development lifecycle Experience in building data storage solutions Familiarity with Infrastructure as Code (Terraform preferred) Understanding of containerisation (Docker) and container orchestration (Kubernetes) Demonstrable experience of writing clean, maintainable code. Experience with AWS or other cloud ...

Software Engineer

Location
Bracknell, England, United Kingdom
head office in Bracknell, Berkshire. Key responsibilities of the role... Software Development Lifecycle: Develop applications and features to meet customer and project requirements Write clean, maintainable code using appropriate technologies (e.g. C#, TypeScript) Contribute to design, specification, and refinement of development work Participate in testing activities to ensure … fixing and performance improvements Support the ongoing maintenance and enhancement of existing applications Contribute ideas to improve applications, processes, and overall platform capability Ensure code and solutions are aligned with internal standards and best practices Working Effectively in a Team: Participate in team ceremonies such as planning, refinement, reviews ...

AI Engineer

Location
Greater London, England, United Kingdom
systems, including:* API integrations* Tool-use systems for agents* Connectors to databases, SaaS tools, or internal platforms* Structured prompting and function-calling architecturesShip Production Code* Move quickly from concept to working product* Write clean, maintainable backend code* Build testable services* Deploy systems in production environments* Iterate based ...

AI Engineer, Backend

Hiring Organisation
Deel
Location
United Kingdom, UK
Employment Type
Full-time
Designers, and QA professionals to understand requirements, scope features, and create seamless experiences. Use AI coding tools like Claude to accelerate feature development—generating code, handling boilerplate, and writing scaffolding. You review all AI-generated code critically before shipping. Build and ship AI products, workflows, and agentsFrom discovery … Software Engineer. You've shipped real AI products, features, debugged production issues, and thought about scale. Experience developing with NodeJS or Python. You write clean, maintainable code comfortably. You understand patterns, conventions, and best practices. Syntax is muscle memory. You know SQL and NoSQL fundamentals. Particularly strong with ...

Product Engineer (all levels)

Location
Greater London, England, United Kingdom
even copy as much as correctness, because you've seen a small wording change flip confusion into action. You're a pragmatic builder. Clean, practical code others can extend. You know when to abstract and when to keep it brutally simple to go fast. You'll happily delete … your own code when reality disagrees with it. You build leverage for other people. You explain complex things simply, you pair on gnarly problems, and you leave things clearer than you found them. You see a good tool that unblocks a teammate as real work, not a distraction from ...

Expert Backend Engineer

Hiring Organisation
Wiz
Location
London, UK
Employment Type
Full-time
security for the AI era. As one of the fastest-growing startups ever, we enable teams to secure cloud and AI applications by connecting code, cloud, and runtime into a single shared context. Trusted by security teams all over the world, we have a proven track record of success … large-scale distributed components that power Wiz. We're looking for candidates who are passionate about tackling scaling challenges and take pride in writing clean, efficient, and maintainable code. Join us in our mission to secure the cloud. Our tech stack includes a multi-cloud architecture (Azure ...

Senior Firmware Engineer

Location
Greenford, Scotland, United Kingdom
Responsibilities Design, test and maintain embedded software for Brompton Electric products Collaborate with cross-functional teams to define, design and ship new features Write clean, scalable and efficient code Debug and resolve technical issues Participate in code reviews to maintain code quality and share knowledge with ...

Senior Software Engineer

Location
Manchester, England, United Kingdom
home policy. Main Responsibilities Building, nurturing, and levelling up our applications and automation solutions. Mentoring and supporting the development of junior team members. Delivering clean, maintainable, and elegant code. Identifying areas where we can improve our technology and processes. Contributing insights to create innovative and effective solutions to complex … working with high volumes of transactions. Previous experience in a senior position and accustomed to mentoring junior team members. Solid understanding of Infrastructure as Code (IaC) principles and familiarity with relevant tools. Proficiency in programming and scripting languages, such as Golang, Python and Typescript, essential for developing automated process ...

Full Stack Engineer

Location
Greater London, England, United Kingdom
problems that have not been solved before. As a result, while development at Thought Machine is fast-paced, you will be expected to develop code to the highest standards that scales, is secure, performant, and provides a great user experience. Software Engineers will take complete ownership of a requirement … TypeScript. Proficiency in writing modern web applications. Experience writing REST APIs and services. A keen eye for detail and a passion for writing clean, readable, properly tested code. Experience in integrating automated tests into the development lifecycle. Interest in client‐facing projects, including scoping requirements and defining deliverables. ...

Global AI/ML Engineer Manager

Hiring Organisation
The Boston Consulting Group
Location
London, UK
Employment Type
Full-time
business and customers. Among your responsibilities, you will: Leadership & DevelopmentBuild, coach, and mentor engineers. Lead by example as a "player-coach": directly contributing to code and architecture, while growing engineering talent and setting best practices. Foster a culture of learning, experimentation, and curiosity. Technical ExcellenceChampion engineering excellence, clean architecture, and maintainable code across squads. Hands-on in backend development – leading complex problem-solving in Python (especially FastAPI).Architect and support secure, scalable, and stable APIs and services that integrate with LLMs and modern cloud platforms (AWS).Promote DevOps practices, CI/CD pipelines, and automated quality ...

Senior Software Engineer, Agentic AI

Location
Cambridge, England, United Kingdom
scale their impact. We value your AI skills if you have built fluency across the agentic engineering toolchain — coding harnesses like Claude Code or Cursor, MCP servers, custom skills, or agent frameworks. And you can describe projects where you shipped real work with these tools. You know … responsibilities of the role? Apply strong software engineering principles to design, build, and ship reliable, performant systems at scale Bring rigorous software engineering practices — clean architecture, testing, code review - to building systems that are reliable and performant at scale Apply sound software engineering fundamentals (system design, testing, code ...

Senior Software Developer – Scala

Location
Newcastle upon Tyne, England, United Kingdom
this role you’ll: Design, develop, and maintain robust backend services using Scala 2.13 and Play Framework in a Pekko-based environment. Build clean, testable, and maintainable code using functional programming principles, immutability, pattern matching, and asynchronous programming with Futures. Work with MySQL to design efficient data access … working closely with DevOps and platform teams to ensure reliable delivery. Contribute to CI/CD pipelines, Git-based pull request workflows, code reviews, and engineering best practices. Collaborate with frontend engineers, QA, product owners, solution designers, and other backend developers to deliver high-quality product increments. Support production ...

Java Developer (SC Eligible/ Cleared)

Location
Greater London, England, United Kingdom
Spring Boot (or equivalent modern backend stack). Contribute to system architecture and data model design in collaboration with senior/lead engineers. Write clean, well-tested, maintainable code following TDD/BDD practices and team coding standards. Participate in code reviews, providing and receiving constructive feedback. ...

Senior Software Development Engineer

Location
Greater London, England, United Kingdom
Collaborative Innovation: Partner with diverse teams to define requirements, create specifications, and design financial software solutions that scale with Prime Video’s global growth. Code Excellence: Develop clean, maintainable, and efficient code in a modern language (Java, C++, C#), ensuring high-quality software delivery. Technical Leadership: Drive … architecture and implementation of complex systems, contributing to high standards of performance, reliability, and scalability. Quality Assurance: Participate in code reviews and develop unit tests to ensure the robustness and functionality of Prime Video’s finance systems. Problem Solving: Quickly troubleshoot, debug, and resolve issues in a fast-paced ...

Software Developer

Location
Bristol, England, United Kingdom
with delivering software solutions efficiently, as well as helping identify and implement improvement areas in the software delivery process. Key Accountabilities Develop secure, structured, clean, and re-usable code that follows the pre-defined development standards and meets the documented requirements and acceptance criteria. Ensure all code … scrum team, and contribute to the successful delivery of the sprint goal Work in an open, collaborative way with all other team members Write code that is maintainable, testable, and secure Assist the Support Team with queries or investigations as required. Experience and skills Our ideal candidate would have ...